--- /dev/null
+--- llvm-3.6.2.src/tools/clang/lib/Driver/ToolChains.cpp~ 2015-07-26 12:48:18.000000000 +0200
++++ llvm-3.6.2.src/tools/clang/lib/Driver/ToolChains.cpp 2015-07-26 17:44:56.883613971 +0200
+@@ -1312,6 +1312,9 @@
+ "x86_64-slackware-linux", "x86_64-linux-android",
+ "x86_64-unknown-linux"};
+ static const char *const X32LibDirs[] = {"/libx32"};
++ static const char *const X32Triples[] = {
++ "x86_64-pld-linux-gnux32", "amd64-pld-linux-gnux32",
++ "x86_64-linux-gnux32", "x86_64-unknown-linux-gnux32", "x86_64-pc-linux-gnux32"};
+ static const char *const X86LibDirs[] = {"/lib32", "/lib"};
+ static const char *const X86Triples[] = {
+ "i686-pld-linux", "i586-pld-linux", "i486-pld-linux", "i386-pld-linux", "athlon-pld-linux",
+@@ -1407,15 +1407,19 @@
+ }
+ break;
+ case llvm::Triple::x86_64:
+- LibDirs.append(begin(X86_64LibDirs), end(X86_64LibDirs));
+- TripleAliases.append(begin(X86_64Triples), end(X86_64Triples));
+- // x32 is always available when x86_64 is available, so adding it as
+- // secondary arch with x86_64 triples
+ if (TargetTriple.getEnvironment() == llvm::Triple::GNUX32) {
+- BiarchLibDirs.append(begin(X32LibDirs), end(X32LibDirs));
++ LibDirs.append(begin(X32LibDirs), end(X32LibDirs));
++ TripleAliases.append(begin(X32Triples), end(X32Triples));
++ BiarchLibDirs.append(begin(X86_64LibDirs), end(X86_64LibDirs));
++ BiarchLibDirs.append(begin(X86LibDirs), end(X86LibDirs));
+ BiarchTripleAliases.append(begin(X86_64Triples), end(X86_64Triples));
++ BiarchTripleAliases.append(begin(X86Triples), end(X86Triples));
+ } else {
++ LibDirs.append(begin(X86_64LibDirs), end(X86_64LibDirs));
++ TripleAliases.append(begin(X86_64Triples), end(X86_64Triples));
++ BiarchLibDirs.append(begin(X32LibDirs), end(X32LibDirs));
+ BiarchLibDirs.append(begin(X86LibDirs), end(X86LibDirs));
++ BiarchTripleAliases.append(begin(X32Triples), end(X32Triples));
+ BiarchTripleAliases.append(begin(X86Triples), end(X86Triples));
+ }
+ break;